U3O8 Corp. Reports a 23% Improvement in Vanadium Extraction Over the 2014 Preliminary Economic Assessment on its Laguna Salada Uranium-Vanadium Deposit
Original announcement by tmx on
- Company
- U3O8 Corp.
- Ticker
- UWE
- Exchange
- TSX
- Region
- Argentina
- Primary commodity
- Uranium
- Secondary commodities
- Vanadium
- Document categories
- Metallurgy
- Extracted
- 2026-08-21 12:58:49 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
U3O8 Corp. reported metallurgical test results from its Laguna Salada project in Argentina, showing a 23% improvement in overall vanadium recovery and a 2% improvement in uranium recovery compared to the 2014 PEA. The work utilized a coarser 0.85mm material which suggests potential for simplified processing and reduced capital costs.
Reasoning: The test work demonstrates significant improvements in overall vanadium and uranium recovery by using a coarser (0.85mm) material compared to the 2014 PEA model, while also suggesting potential for CAPEX/OPEX reduction through process simplification.
Positive factors
- Improved vanadium recovery vs PEA
- Improved uranium recovery vs PEA
- Process simplification potential
- Coarser grain size testing reduces filtration complexity
Negative factors
- Vanadium extraction from fine-grained component is lower than PEA model
- Sulphate management remains a cost priority
Facts used in scoring: 4

Classification and evidence
QA/QC Disclosedpositive · Story-specific tag
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions the work was designed and monitored by a director with significant technical experience and refers to a QP (Dr. Richard Spencer) approving the technical information.
Evidence · text
“Dr. Richard Spencer, P.Geo., CGeol., President and CEO of U3O8 Corp. and a Qualified Person”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Metallurgical Results (4)
Fact 1uraniumRecovery: 84.5 %View all detailsHide details
Identity
- Commodity
- uranium
- Ticker
- UWE
Test Work
- Sample
- Bulk sample of gravel from Guanaco sector, <0.85mm material
- Leach Time
- 8 hours
Recovery
- Recovery
- 84.5 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- ANSTO
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2018-12-06T00:00:00.000Z
Reasoning: Overall uranium extraction of 84.5% is a 2% improvement over the PEA baseline.
Positive factors
- Marginal improvement over PEA
Evidence · table
“84.5%”
Context: 23%
Fact 2vanadiumRecovery: 25 %View all detailsHide details
Identity
- Commodity
- vanadium
- Ticker
- UWE
Test Work
- Sample
- Bulk sample of gravel from Guanaco sector, <0.85mm material
- Leach Time
- 8 hours
Recovery
- Recovery
- 25 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- ANSTO
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2018-12-06T00:00:00.000Z
Reasoning: Overall vanadium recovery of 25% represents a 23% improvement over the PEA baseline.
Positive factors
- Significant improvement in overall recovery vs PEA
Negative factors
- Lower extraction from fine-grained component vs PEA
Evidence · table
“25%”
Context: 23%
Fact 3uraniumRecovery: 94 %View all detailsHide details
Identity
- Commodity
- uranium
- Ticker
- UWE
Test Work
- Sample
- Alkaline leach test on <0.85mm material
- Leach Time
- 6 hours
Recovery
- Recovery
- 94 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2018-12-06T00:00:00.000Z
Reasoning: Extraction of 94% from the fine-grained component is slightly lower than the 95% reported in the PEA.
Negative factors
- Slightly lower than PEA extraction in fine-grained component
Evidence · table
“94%”
Context: 89%
Fact 4vanadiumRecovery: 55 %View all detailsHide details
Identity
- Commodity
- vanadium
- Ticker
- UWE
Test Work
- Sample
- Alkaline leach test on <0.85mm material
- Leach Time
- 8 hours
Recovery
- Recovery
- 55 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2018-12-06T00:00:00.000Z
Reasoning: Extraction of 55% from the fine-grained component is lower than the 71% used in the PEA.
Negative factors
- Lower extraction from fine-grained component vs PEA
Evidence · table
“55%”
Context: 46%
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.